e.l. doctorow. his new book is called "andrew's brain: a novel." >> andrew came to me as a figure standing in the snow and holding a -- an infant swaddled infant in his arms in front of a door with the snow coming down on his yankee ball cap. and that's the image that came to me and it was some urgency to it as he was waiting for this door to open. and i found myself writing that and then i had to figure out what was going on and that's how the book developed. >> rose: we conclude this evening with a conversation with billy joel at the piano recorded as he was preparing for a new year's eve performance. >> "piano man" is pretty simple. it's mostly the melody doing the work, which i'm singing. the hands just do -- ♪ ♪ (playing "piano man") which is why the sheet music isn't really all that interesting. it's just an accompaniment. >> rose: scott stossel, e.l. doctorow, and billy joel when we continue. captioning sponsored by rose communications from our studios in new york city, this is charlie rose.